Revise solution to bug #410945 to only apply to GCC.

(Portage version: 2.1.10.49/cvs/Linux x86_64)

3 files changed, 139 insertions, 1 deletions

diff --git a/sys-freebsd/freebsd-sources/ChangeLog b/sys-freebsd/freebsd-sources/ChangeLog
index 3b0ab5fd4b44..5e096f39ad58 100644
--- a/sys-freebsd/freebsd-sources/ChangeLog
+++ b/sys-freebsd/freebsd-sources/ChangeLog
@@ -1,6 +1,13 @@
 # ChangeLog for sys-freebsd/freebsd-sources
 # Copyright 1999-2012 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/sys-freebsd/freebsd-sources/ChangeLog,v 1.70 2012/05/25 15:28:06 aballier Exp $
+# $Header: /var/cvsroot/gentoo-x86/sys-freebsd/freebsd-sources/ChangeLog,v 1.71 2012/05/27 08:42:25 ryao Exp $
+
+*freebsd-sources-9.0-r2 (27 May 2012)
+
+  27 May 2012; Richard Yao <ryao@gentoo.org>
+  +files/freebsd-sources-9.0-gcc-disable-optimization.patch,
+  +freebsd-sources-9.0-r2.ebuild:
+  Revise solution to bug #410945 to only apply to GCC.
 
 *freebsd-sources-9.0-r1 (25 May 2012)
 
diff --git a/sys-freebsd/freebsd-sources/files/freebsd-sources-9.0-gcc-disable-optimization.patch b/sys-freebsd/freebsd-sources/files/freebsd-sources-9.0-gcc-disable-optimization.patch
new file mode 100644
index 000000000000..a72d5beee9e1
--- /dev/null
+++ b/sys-freebsd/freebsd-sources/files/freebsd-sources-9.0-gcc-disable-optimization.patch
@@ -0,0 +1,32 @@
+Taken from debian GNU/kFreeBSD.
+
+Regretably, with GCC 4.4 or later this is the only flag combination
+I could find that doesn't cause kernel panics CPU triple-faults or
+other kind of severe breakage. This is Gentoo Bug #410945.
+
+We restrict this to GCC so that Clang can use -O2.
+
+--- a/sys/conf/kern.pre.mk
++++ b/sys/conf/kern.pre.mk
+@@ -41,6 +41,9 @@
+ .if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
+ COPTFLAGS+= -fno-strict-aliasing
+ .endif
++.if ${CC:T:Mgcc} == "gcc" && !empty(COPTFLAGS:M-O[23s])
++COPTFLAGS+= -O1
++.endif
+ .if !defined(NO_CPU_COPTFLAGS)
+ COPTFLAGS+= ${_CPUCFLAGS}
+ .endif
+--- a/sys/conf/kmod.mk
++++ b/sys/conf/kmod.mk
+@@ -91,6 +91,9 @@
+ .if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing)
+ CFLAGS+=	-fno-strict-aliasing
+ .endif
++.if ${CC:T:Mgcc} == "gcc" && !empty(CFLAGS:M-O[23s])
++CFLAGS+=	-O1
++.endif
+ WERROR?=	-Werror
+ CFLAGS+=	${WERROR}
+ CFLAGS+=	-D_KERNEL
diff --git a/sys-freebsd/freebsd-sources/freebsd-sources-9.0-r2.ebuild b/sys-freebsd/freebsd-sources/freebsd-sources-9.0-r2.ebuild
new file mode 100644
index 000000000000..078df82b6d62
--- /dev/null
+++ b/sys-freebsd/freebsd-sources/freebsd-sources-9.0-r2.ebuild
@@ -0,0 +1,99 @@
+# Copyright 1999-2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-freebsd/freebsd-sources/freebsd-sources-9.0-r2.ebuild,v 1.1 2012/05/27 08:42:25 ryao Exp $
+
+inherit bsdmk freebsd flag-o-matic
+
+DESCRIPTION="FreeBSD kernel sources"
+SLOT="${PVR}"
+KEYWORDS="~amd64-fbsd ~sparc-fbsd ~x86-fbsd"
+
+IUSE="symlink"
+
+SRC_URI="mirror://gentoo/${SYS}.tar.bz2"
+
+RDEPEND=">=sys-freebsd/freebsd-mk-defs-8.0"
+DEPEND=""
+
+RESTRICT="strip binchecks"
+
+S="${WORKDIR}/sys"
+
+MY_PVR="${PVR}"
+
+[[ ${MY_PVR} == "${RV}" ]] && MY_PVR="${MY_PVR}-r0"
+
+src_unpack() {
+	unpack ${A}
+	cd "${S}"
+
+	# This replaces the gentoover patch, it doesn't need reapply every time.
+	sed -i -e 's:^REVISION=.*:REVISION="'${PVR}'":' \
+		-e 's:^BRANCH=.*:BRANCH="Gentoo":' \
+		-e 's:^VERSION=.*:VERSION="${TYPE} ${BRANCH} ${REVISION}":' \
+		"${S}/conf/newvers.sh"
+
+	# workaround a kernel panic for amd64-fbsd, bug #408019
+	epatch "${FILESDIR}/${PN}-9.0-gcc-disable-optimization.patch"
+
+	# __FreeBSD_cc_version comes from FreeBSD's gcc.
+	# on 9.0-RELEASE it's 900001.
+	sed -e "s:-D_KERNEL:-D_KERNEL -D__FreeBSD_cc_version=900001:g" \
+		-i "${S}/conf/kern.pre.mk" \
+		-i "${S}/conf/kmod.mk" || die "Couldn't set __FreeBSD_cc_version"
+
+	# Remove -Werror
+	sed -e "s:-Werror:-Wno-error:g" \
+		-i "${S}/conf/kern.pre.mk" \
+		-i "${S}/conf/kmod.mk" || die
+
+	epatch "${FILESDIR}/${PN}-9.0-gentoo.patch"
+	epatch "${FILESDIR}/${PN}-6.0-flex-2.5.31.patch"
+	sed -e 's/elf64-sparc/elf64-sparc-freebsd/g' -i	"${S}/conf/ldscript.sparc64" || die
+	epatch "${FILESDIR}/${PN}-6.1-ntfs.patch"
+	epatch "${FILESDIR}/${PN}-7.1-types.h-fix.patch"
+	epatch "${FILESDIR}/${PN}-8.0-subnet-route-pr40133.patch"
+	epatch "${FILESDIR}/${PN}-7.1-includes.patch"
+	epatch "${FILESDIR}/${PN}-9.0-sysctluint.patch"
+
+	# By adding -DGENTOO_LIVECD to CFLAGS activate this stub
+	# vop_whiteout to tmpfs, so it can be used as an overlay
+	# unionfs filesystem over the cd9660 readonly filesystem.
+	epatch "${FILESDIR}/${PN}-7.0-tmpfs_whiteout_stub.patch"
+}
+
+src_compile() {
+	einfo "Nothing to compile.."
+}
+
+src_install() {
+	insinto "/usr/src/sys-${MY_PVR}"
+	doins -r "${S}/"*
+}
+
+pkg_postinst() {
+	if [[ ! -L "${ROOT}/usr/src/sys" ]]; then
+		einfo "/usr/src/sys symlink doesn't exist; creating symlink to sys-${MY_PVR}..."
+		ln -sf "sys-${MY_PVR}" "${ROOT}/usr/src/sys" || \
+			eerror "Couldn't create ${ROOT}/usr/src/sys symlink."
+		# just in case...
+		[[ -L ""${ROOT}/usr/src/sys-${RV}"" ]] && rm "${ROOT}/usr/src/sys-${RV}"
+		ln -sf "sys-${MY_PVR}" "${ROOT}/usr/src/sys-${RV}" || \
+			eerror "Couldn't create ${ROOT}/usr/src/sys-${RV} symlink."
+	elif use symlink; then
+		einfo "Updating /usr/src/sys symlink to sys-${MY_PVR}..."
+		rm "${ROOT}/usr/src/sys" "${ROOT}/usr/src/sys-${RV}" || \
+			eerror "Couldn't remove previous symlinks, please fix manually."
+		ln -sf "sys-${MY_PVR}" "${ROOT}/usr/src/sys" || \
+			eerror "Couldn't create ${ROOT}/usr/src/sys symlink."
+		ln -sf "sys-${MY_PVR}" "${ROOT}/usr/src/sys-${RV}" || \
+			eerror "Couldn't create ${ROOT}/usr/src/sys-${RV} symlink."
+	fi
+
+	if use sparc-fbsd ; then
+		ewarn "WARNING: kldload currently causes kernel panics"
+		ewarn "on sparc64. This is probably a gcc-4.1 issue, but"
+		ewarn "we need gcc-4.1 to compile the kernel correctly :/"
+		ewarn "Please compile all modules you need into the kernel"
+	fi
+}